About: Hyperpolarization of Nitrile Compounds Using Signal Amplification by Reversible Exchange

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An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Hyperpolarization of Nitrile Compounds Using Signal Amplification by Reversible Exchange
Creator	Jeong, Hye Barskiy, Danila Chae, Heelim Jeong, Keunhong Kim, Sarah Min, Sein Namgoong, Sung Oh, Sangwon
source	PMC
abstract	Signal Amplification by Reversible Exchange (SABRE), a hyperpolarization technique, has been harnessed as a powerful tool to achieve useful hyperpolarized materials by polarization transfer from parahydrogen. In this study, we systemically applied SABRE to a series of nitrile compounds, which have been rarely investigated. By performing SABRE in various magnetic fields and concentrations on nitrile compounds, we unveiled its hyperpolarization properties to maximize the spin polarization and its transfer to the next spins. Through this sequential study, we obtained a ~130-fold enhancement for several nitrile compounds, which is the highest number ever reported for the nitrile compounds. Our study revealed that the spin polarization on hydrogens decreases with longer distances from the nitrile group, and its maximum polarization is found to be approximately 70 G with 5 μL of substrates in all structures. Interestingly, more branched structures in the ligand showed less effective polarization transfer mechanisms than the structural isomers of butyronitrile and isobutyronitrile. These first systematic SABRE studies on a series of nitrile compounds will provide new opportunities for further research on the hyperpolarization of various useful nitrile materials.
has issue date	2020-07-23(xsd:dateTime)
bibo:doi	10.3390/molecules25153347
bibo:pmid	32717970
has license	cc-by
sha1sum (hex)	857778852a04571024be7021ad62a6ec2bc77fee
schema:url	https://doi.org/10.3390/molecules25153347
resource representing a document's title	Hyperpolarization of Nitrile Compounds Using Signal Amplification by Reversible Exchange
has PubMed Central identifier	PMC7435364
has PubMed identifier	32717970
schema:publication	Molecules
resource representing a document's body	covid:857778852a04571024be7021ad62a6ec2bc77fee#body_text
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